Analysis

  • max time kernel
    176s
  • max time network
    188s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2022 16:51

General

  • Target

    Bank Swift.exe

  • Size

    830KB

  • MD5

    aacbef36fa202e5eb1512c99022ef31c

  • SHA1

    97a12e69a35a037f34bbd4b4d779326bdb99ac7e

  • SHA256

    4d4be5a0fb152cb0f795f6ce36b1b3e4e69234681e36c41f3760858b4d38aa31

  • SHA512

    5648dbe1a6c3f6aef53b1c14ba50b3837c2671a00934a0c3049d31711b6e61f972b2d7b1b3531ea6db671e0a22ec208759e1aa0547ce5cf4e906a201756dc84a

  • SSDEEP

    24576:Cw/HDtU376CVtv1ekon6imVSE/HHkFg/IyXtrpc:o3tv1jftfkoXVp

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot1644755040:AAGRTnph6BdO8-t1bJaOyVu9aeuJErmisqs/sendMessage?chat_id=1637651323

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Bank Swift.exe
    "C:\Users\Admin\AppData\Local\Temp\Bank Swift.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2528
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rUVcgRH" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA24B.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4396
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2448

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpA24B.tmp

    Filesize

    1KB

    MD5

    aa5241e203f29cca7f67aae13c1d025d

    SHA1

    320fd4a664643b53ff37fda67ba60d6c366cc75b

    SHA256

    3be4bc4cee79a125fccb09d17b65527925a737a779cba5058c3cefa2f6cc3c04

    SHA512

    f1376753a6dc64d8452df6e9d178b9f7c52e8e303e69e67f8720fb06178ada74bdbda80d2cd9925eb8a66dc730e3dc135e0b1286efebd092dd126fc8e257fc62

  • memory/2448-139-0x0000000000000000-mapping.dmp

  • memory/2448-140-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2528-132-0x0000000000F10000-0x0000000000FE4000-memory.dmp

    Filesize

    848KB

  • memory/2528-133-0x0000000005E90000-0x0000000006434000-memory.dmp

    Filesize

    5.6MB

  • memory/2528-134-0x0000000005980000-0x0000000005A12000-memory.dmp

    Filesize

    584KB

  • memory/2528-135-0x0000000005B30000-0x0000000005BCC000-memory.dmp

    Filesize

    624KB

  • memory/2528-136-0x0000000005AB0000-0x0000000005ABA000-memory.dmp

    Filesize

    40KB

  • memory/4396-137-0x0000000000000000-mapping.dmp